adherent, adhesive, barnacle, brier, brier bush, bristle, bulldog, burr, bush, cactus, catchweed, cement, cleavers, decal, decalcomania, glue, goose grass, gunk, leech, limpet, molasses, mucilage, needle, nettle, paste, pine needle, plaster, prickle, quill, remora, scrub, shrub, shrubbery, spicule, spiculum, spike, spikelet, spine, sticker, syrup, thistle, thorn, yucca